155049036 has 24 divisors (see below), whose sum is σ = 365848560. Its totient is φ = 51101952.

The previous prime is 155049031. The next prime is 155049043. The reversal of 155049036 is 630940551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 155048988 and 155049006.

It is not an unprimeable number, because it can be changed into a prime (155049031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71521 + ... + 73656.

It is an arithmetic number, because the mean of its divisors is an integer number (15243690).

Almost surely, 2^155049036 is an apocalyptic number.

It is an amenable number.

155049036 is an abundant number, since it is smaller than the sum of its proper divisors (210799524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155049036 is a wasteful number, since it uses less digits than its factorization.

155049036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145273 (or 145271 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 155049036 is about 12451.8687754088. The cubic root of 155049036 is about 537.2251759656.

Adding to 155049036 its reverse (630940551), we get a palindrome (785989587).

The spelling of 155049036 in words is "one hundred fifty-five million, forty-nine thousand, thirty-six".